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Abstract: Aiming at the problem that many devices do not have network interfaces, an embedded system is built with ARM7Cortex-M3 processor LM8962 as the core, and 8 serial ports are expanded using ...[Details]
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The voltage following circuit of an op amp, as shown in Figure 1, uses virtual short and virtual open circuits. It looks simple and clear at first glance, and there is not much to pay attention to. T...[Details]
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The side-mounted magnetic flap level gauge needs to be connected to the inside of the measured container during installation. The two connecting pipes are generally connected by DN25 flanges. ...[Details]
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LG Display (LGD) will invest in 48-inch pure-cut panels at its OLED production line in Paju, Gyeonggi Province to meet the growing demand for mid-sized TVs in Europe, Japan and other regions. Accor...[Details]
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With the introduction of surface mount technology, the packaging density of circuit boards has increased rapidly. Therefore, even for circuit boards with low density and general quantity, automatic ...[Details]
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About EMC
Certification
Inspection items
The EMC test items for EMC certification of household electrical appliances include electromagnetic emission (EMI) and electromagnet...[Details]
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SDI is a serial digital interface used to transmit uncompressed digital video signals. In the 1980s, SDI developed rapidly and its standards were defined. The 3G in 3G-SDI refers to the data transm...[Details]
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As an expert in modular signal switches and sensor simulation products, Pickering is a strong practitioner of the PXI standard.
On May 22, 2024,
Pickering, a leading supplier of ...[Details]
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Indoor Positioning System (IPS) is an important part of ubiquitous computing. With the popularization of smart terminals and the advent of the mobile Internet era, the demand for positioning and navig...[Details]
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PSPICE is a general-purpose circuit analysis program for microcomputers developed from SPICE (Simulation Program with Integrated Circuit Emphasis). It was developed using the FORTRAN language and i...[Details]
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Given enough time, most engineers can find the right direction. As an engineer, do you often need to understand the performance of each component in a circuit application? Yes. In general, do the mo...[Details]
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On September 14, according to media reports, users discovered a serious security vulnerability in the Crucial MX500 series SSD, which is prone to buffer overflow, leading to data leakage and possib...[Details]
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On May 21, the Honor 20 series will be launched in London, which is the global debut of the series of mobile phones. The Chinese version will be held in Shanghai on May 31. According to the official ...[Details]
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In recent years, with the support of policies and funds, mainland panel manufacturers have developed rapidly. Midstream panel manufacturers such as BOE and TCL Huaxing have quickly surpassed overseas...[Details]
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Fairchild's FSQ510 is a valley switching converter with low EMI and high efficiency. It integrates a 700V LDMOS power switch and has a built-in soft-start time of 5ms. It is mainly used in auxiliar...[Details]
PCB Design
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